:root {
  --bg: #f6f7f9; --panel: #ffffff; --panel-2: #f3f4f6; --border: #e2e4e9; --text: #1c1f26; --muted: #6b7280;
  --accent: #2563eb; --accent-text: #fff; --hover: #eef2ff; --danger: #dc2626; --ok: #16a34a; --warn: #d97706;
  --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --panel: #1a1d23; --panel-2: #20242c; --border: #2d313b; --text: #e6e8ee; --muted: #9aa1ae; --hover: #262b38; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.3); }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 5vw, 48px); }
h2 { font-size: clamp(22px, 3vw, 30px); }
h3 { font-size: 17px; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 440px; margin: 0 auto; padding: 0 20px; }
code, .mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .92em; }

/* announcement + header */
.announce { background: var(--accent); color: var(--accent-text); text-align: center; padding: 8px 16px; font-size: 14px; }
.announce a { color: inherit; text-decoration: underline; }
.topnav { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--panel) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.topnav .wrap { display: flex; align-items: center; gap: 22px; height: 62px; }
.logo { font-weight: 800; font-size: 19px; color: var(--text); letter-spacing: -0.03em; white-space: nowrap; }
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }
.navlinks { display: flex; gap: 18px; flex: 1; }
.navlinks a { color: var(--muted); font-size: 14.5px; }
.navlinks a:hover { color: var(--text); text-decoration: none; }
.navright { display: flex; gap: 8px; align-items: center; }
.btn.menu-toggle { display: none; }
@media (max-width: 760px) {
  .navlinks { display: none; position: absolute; top: 62px; left: 0; right: 0; background: var(--panel); border-bottom: 1px solid var(--border); flex-direction: column; padding: 12px 20px; gap: 10px; }
  .navlinks.open { display: flex; }
  .btn.menu-toggle { display: inline-flex; }
  .topnav .wrap { gap: 10px; }
  .navright .hide-sm { display: none; }
}

/* buttons, inputs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-size: 14.5px; font-weight: 600; padding: 8px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer; white-space: nowrap; text-decoration: none !important; }
.btn:hover:not(:disabled) { background: var(--hover); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.big { padding: 12px 22px; font-size: 16px; border-radius: 10px; }
.btn.small { padding: 4px 10px; font-size: 13px; font-weight: 500; }
.btn.block { width: 100%; }
.btn.link { background: none; border: none; color: var(--accent); padding: 0; font-weight: 500; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 0; border-color: var(--accent); }
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--accent); }
input[type=color] { padding: 2px; height: 38px; }
textarea { min-height: 90px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; font-weight: 600; margin-bottom: 14px; }
label.field .hint { font-weight: 400; }
label.check { display: flex; gap: 8px; align-items: center; font-size: 14px; margin-bottom: 10px; }
.hint { color: var(--muted); font-size: 12.5px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 14px; }
@media (max-width: 640px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

/* cards, badges, tables */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card h3 { margin-bottom: 12px; }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; background: var(--panel-2); color: var(--muted); white-space: nowrap; }
.badge.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.badge.info { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.table-wrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.t td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.t tr:last-child td { border-bottom: none; }
table.t tr.click { cursor: pointer; }
table.t tr.click:hover td { background: var(--hover); }
.empty-state { text-align: center; padding: 36px 16px; color: var(--muted); }
.alert { border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 14px; background: var(--panel-2); }
.alert.error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.alert.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }
.alert.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); }

/* landing */
.hero { padding: 84px 0 56px; text-align: center; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 19px); color: var(--muted); max-width: 720px; margin: 0 auto 28px; }
.hero .row { justify-content: center; }
.section { padding: 56px 0; }
.section-title { text-align: center; margin-bottom: 34px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.feature { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.feature .ic { font-size: 26px; margin-bottom: 8px; }
.feature p { color: var(--muted); margin: 0; font-size: 14.5px; }
.apps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.app { border-radius: var(--radius); padding: 22px; background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), var(--panel)); border: 1px solid var(--border); }
.app .name { font-weight: 800; font-size: 20px; letter-spacing: -0.03em; }
.app .name b { color: var(--accent); }
.app p { color: var(--muted); font-size: 14.5px; margin: 8px 0 0; }
.faq details { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 10px 0 0; color: var(--muted); }
.cta-band { text-align: center; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 44px 20px; }
footer.site { border-top: 1px solid var(--border); padding: 28px 0; margin-top: 40px; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site nav { display: flex; gap: 16px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 18px; align-items: stretch; }
.plan { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; position: relative; }
.plan.hl { border: 2px solid var(--accent); box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 18%, transparent); }
.plan .ribbon { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--accent-text); font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 99px; white-space: nowrap; }
.plan .price { font-size: 38px; font-weight: 800; letter-spacing: -0.03em; margin: 8px 0 0; }
.plan .per { color: var(--muted); font-size: 14px; }
.plan ul { list-style: none; padding: 0; margin: 18px 0; flex: 1; }
.plan li { padding: 5px 0 5px 24px; position: relative; font-size: 14.5px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.qty { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.qty input { width: 76px; text-align: center; }
.qty .total { margin-left: auto; font-size: 13.5px; color: var(--muted); text-align: right; }

/* auth */
.auth-page { min-height: calc(100vh - 62px); display: flex; align-items: center; padding: 40px 0; }
.auth-card { width: 100%; }
.auth-card h1 { font-size: 26px; text-align: center; }
.auth-card .sub { text-align: center; color: var(--muted); margin-bottom: 22px; }
.divider { text-align: center; color: var(--muted); font-size: 13px; margin: 14px 0; }

/* app shell (dashboard + admin) */
.shell { display: grid; grid-template-columns: 236px 1fr; min-height: calc(100vh - 62px); }
.side { border-right: 1px solid var(--border); background: var(--panel); padding: 18px 12px; position: sticky; top: 62px; height: calc(100vh - 62px); overflow-y: auto; }
.side a { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 8px; color: var(--text); font-size: 14.5px; margin-bottom: 2px; }
.side a:hover { background: var(--hover); text-decoration: none; }
.side a.on { background: var(--hover); color: var(--accent); font-weight: 600; }
.side .group { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 14px 12px 6px; }
.main { padding: 28px clamp(16px, 3vw, 40px); min-width: 0; }
.main h1 { font-size: 26px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head p { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .v { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.stat .l { color: var(--muted); font-size: 13px; }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; display: flex; overflow-x: auto; padding: 8px; border-right: none; border-bottom: 1px solid var(--border); }
  .side .group { display: none; }
  .side a { white-space: nowrap; }
}

/* licences */
.lic { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; }
.lic-head { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 16px 18px; align-items: center; }
.lic-key { font-family: ui-monospace, Menlo, monospace; font-size: 15px; font-weight: 600; letter-spacing: .02em; }
.lic-meta { color: var(--muted); font-size: 13px; display: flex; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.lic-body { border-top: 1px solid var(--border); padding: 14px 18px; }
.device { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.device:last-child { border-bottom: none; }
.device .ic { width: 34px; height: 34px; border-radius: 8px; background: var(--panel-2); display: grid; place-items: center; }
.device .grow { flex: 1; min-width: 0; }

/* modal + toast */
.modal-back { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: grid; place-items: center; z-index: 100; padding: 16px; }
.modal { background: var(--panel); border-radius: 14px; padding: 22px; width: min(520px, 100%); max-height: 90vh; overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal h3 { font-size: 18px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 99px; font-size: 14px; z-index: 200; box-shadow: var(--shadow); }
.toast.err { background: var(--danger); color: #fff; }

/* admin editors */
.list-editor .item { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 10px; background: var(--panel-2); }
.list-editor .item .row.end { margin-top: 4px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs button { background: none; border: none; font: inherit; padding: 8px 14px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.on { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.spinner { width: 22px; height: 22px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; margin: 40px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn.primary.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
textarea.code { font-family: ui-monospace, Menlo, monospace; font-size: 13px; min-height: 160px; }
textarea.tall { min-height: 340px; }
.checks { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 14px; }
.checks label.check { margin: 0; font-weight: 400; }
.save-bar { position: sticky; bottom: 0; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(6px); padding: 12px 0; margin-top: 10px; display: flex; gap: 10px; align-items: center; border-top: 1px solid var(--border); }
.secret-box { font-family: ui-monospace, Menlo, monospace; background: var(--panel-2); border: 1px dashed var(--border); border-radius: 8px; padding: 10px 12px; word-break: break-all; font-size: 13px; }
pre.snippet { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; font-size: 12.5px; overflow-x: auto; }
#side-extra { display: contents; }
.modal.wide { width: min(760px, 100%); }